That is because the product is not FOR you or general users, it is for financial institutions that were using OS/2 and believe me they have the money.

Truth be told, there are very few financial institutions that are still running OS/2 either, with the exception of a few very old ATMs.

Try a job search on Dice for OS/2 and see how many results you get. And of the four results that even mention OS/2, how many of those actually look like OS/2 is relevant, and not just part of a long laundry list of generic skills they copied for their job description?